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Table 3 Reported time spent for work and private related activities on the internet among problematic internet users compared with normal internet users

From: Problematic internet use and psychiatric co-morbidity in a population of Japanese adult psychiatric patients

Activities Normal internet users, n (%) (N = 173) Problematic internet users, n (%) (N = 58) p (Mann–Whitney U test)
None <30 m 30 m-1 h 1 h–3 h 3 h–5 h >5 h None <30 m 30 m-1 h 1 h–3 h 3 h–5 h >5 h
Work 51(29.5) 40(23.1) 31(17.9) 26(15.0) 11(6.4) 14(8.1) 25(43.1) 10(17.2) 6(10.3) 6(10.3) 4(6.9) 7(12.1) 0.300
Private 10(5.8) 23(13.3) 27(15.6) 69(39.9) 26(15.0) 18(10.4) 6(10.3) 1(1.7) 3(5.2) 12(20.7) 7(12.1) 29(50.0) <0.001*
  1. *: p < 0.001